Technical product questions

• Does the DBS-22 Drill Bit Sharpening Attachment fit on the Tormek T-4? 6 may 2022 1
• SVP-80 Moulding Knife Attachment on T-4 6 may 2022 1
• T-8 water trough on the T-7? 6 may 2022 1
• SVH-320 Planer Blade Attachment with Tormek T-4? 6 may 2022 3
• Difference between 4000 model and T-7 6 may 2022 1