Combatible models: This makita 125mm deck is suitable for Makita BO5010/KBO5030/KBO5031/KBO5041/KXOB01Z DeWalt DW420/420KDW421/421KDW423/423KDW426/426KD26453/26453KD26451 Porter cable 390 / 390K382343 / 343k343VSK. PU Material: This sanding pad is made of high quality PU materials, durable.Sander pad of this type of material can guarantee excellent smoothness and polishing effect of sanding disc, so as to achieve the effect of not hurting the user. Easy to Use: This 8-hole sanding disc has 3 built-in mounting screw holes and hook and loop design, this can make installation quicker and easier and for quick sandpaper changes. Special Design: This sanding disc is designed with 8 holes, can work with sanders with dust collection system.This dust collection feature of this thumb pad is ultra convenient, 8 dust collection holes which effectively suck dust and debris into the dust bag assembly. Size of this sander pad: The diameter of our sanding pad is 125mm, with 8 dust holes and 3 screw holes, the diameter of dust holes is 11.5mm, that of screw holes is 4mm, lThe thickness is 11.5mm. Fightable models: This Makita 125mm deck is suitable for Makita BO5010/KBO5030/KBO5031/KBO5041/KXOB01Z DeWalt DW420/420KDW421/421KDW423/423KDW426/426KD26453/26453KD26451 Porter cable 390 / 390K 382343 / 343k343VSK. PU material: This sanding pad is made of high quality PU materials, durable.Sander pad of this type of material can guarantee excellent smoothness and polishing effect of sanding disc, so as to achieve the effect of not injure the user. Easy to use: This 8-hole sanding disc has 3 built-in mounting screw holes and a hook and loop design, this can make installation quicker and easier and for quick sandpaper changes. Special Design: This sanding disc is designed with 8 holes, can work with sanders with dust collection system.This dust collection function of this thumb pad is ultra practical, 8 dust collection holes which effectively vacuum dust and debris into the dust bag assembly. Size of this sander pad: The diameter of our sanding pad is 125mm, with 8 dust holes and 3 screw holes, the diameter of dust holes is 11.5mm, that of screw holes is4mm, the thickness is 11.5mm.Before doing your purchase, make sure our sander pad fits your sander.